#A33D3A#A33D3A

#A33D3A is a mid, vivid red. Relative luminance 0.114; OKLCH L 50.1% C 0.136 H 25.0°. Best body text is #FFFFFF at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#A33D3A
RGB	rgb(163, 61, 58)
HSL	hsl(2, 48%, 43%)
HSV	hsv(2, 64%, 64%)
CMYK	cmyk(0%, 62.6%, 64.4%, 36.1%)
CIE-LAB	lab(40.30, 41.99, 24.11)
CIE-LCH	lch(40.30, 48.42, 29.86°)
OKLab	oklab(50.15% 0.1233 0.0574)
OKLCH	oklch(50.15% 0.136 25)
XYZ	xyz(17.5384, 11.4318, 5.2852)
Luminance	0.1143 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A33D3A #3AA0A3

analogous

#A33A6B #A33D3A #A3713A

triadic

#A33D3A #3AA33D #3D3AA3

tetradic

#A33D3A #6BA33A #3AA0A3 #713AA3

square

#A33D3A #6BA33A #3AA0A3 #713AA3

split-complementary

#A33D3A #3AA371 #3A6BA3

monochromatic

#491B1A #762C2A #A33D3A #C35A57 #D38684

Accessibility & contrast

On white

6.39

#A33D3A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.29

#A33D3A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A33D3A

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A33D3A	#FFFFFF	#000000	##FFFFFF
##A33D3A	1.00	6.39	3.29	6.39
#FFFFFF	6.39	1.00	21.00	1.00
#000000	3.29	21.00	1.00	21.00
##FFFFFF	6.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#575139

Deuteranopia (green-blind)

#716737

Tritanopia (blue-blind)

#B3283D

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #a33d3a;
/* rgb */ color: rgb(163, 61, 58);
/* oklch */ color: oklch(50.1% 0.136 25.0);

Tailwind

colors: {
  custom: {
    50: '#c47770',
    500: '#a33d3a',
    950: '#000000',
  },
}

SCSS

$custom: #a33d3a;
$custom-light: #c47770;
$custom-dark: #000000;

JSON

{
  "hex": "#a33d3a",
  "rgb": {
    "r": 163,
    "g": 61,
    "b": 58
  },
  "hsl": {
    "h": 1.714,
    "s": 47.511,
    "l": 43.333
  },
  "oklch": {
    "l": 0.50145,
    "c": 0.13603,
    "h": 25
  },
  "luminance": 0.1143
}

Semantic roles & 50–950 ramp

primary

#A33D3A

secondary

#7CBBBD

accent

#D3D751

background

#FCF7F6

surface

#F9EDEC

border

#D2C8C7

text

#140907

muted

#827B7A

Preview Lab

Preview with #A33D3A

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →